| escape into any reservo… | 0.57 |
| escape into watercourse… | 0.56 |
| flow into lake | 0.43 |
| contaminate the water | 0.42 |
| overflow into river | 0.41 |
| flow into the sea | 0.41 |
| back up into home | 0.39 |
| flow into river | 0.38 |
| flow by gravity | 0.38 |
| mean liquid or solid wa… | 0.34 |
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| residence | 0.32 |
| institution | 0.32 |
| dangerous | 0.43 |
| effective | 0.29 |
| unsanitary | 0.20 |
| nasty | 0.16 |
| expensive | 0.16 |
| treated | 0.84 |
| removed by other satisf… | 0.74 |
| thrown | 0.61 |
| cleaned | 0.59 |
| generated by industry | 0.57 |
| provided | 0.54 |
| removed by pump | 0.51 |
| maintained in watertigh… | 0.51 |
| treated on site | 0.48 |
| discharged | 0.45 |
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| irrigation | 0.45 |